Index: openacs-4/packages/calendar/tcl/calendar-procs.xql
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/calendar/tcl/calendar-procs.xql,v
diff -u -r1.10 -r1.10.12.1
--- openacs-4/packages/calendar/tcl/calendar-procs.xql	16 Aug 2006 17:52:14 -0000	1.10
+++ openacs-4/packages/calendar/tcl/calendar-procs.xql	6 Jun 2023 12:57:32 -0000	1.10.12.1
@@ -24,7 +24,7 @@
 	from      calendars
 	where     owner_id = :party_id
 	and       private_p = 't'
-	and       calendar_id in ([join $calendar_id_list ", "])
+	and       calendar_id in ([ns_dbquotelist $calendar_id_list])
     </querytext>
   </fullquery>